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Freedom Back B Wireless Stereo In-Ear System


 
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  Hear Freedom Back B Wireless Stereo In-Ear System
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Hear Freedom Back B Wireless Stereo In-Ear System

Freedom Back is a high quality UHF wireless stereo in-ear monitor system designed to replace loud, bulky and unsightly stage monitors while allowing the talent the freedom to move about the stage. It is a perfect companion to our highly successful Hear Back personal monitor mixer system and the acclaimed Mix Back matrix monitor mixer.

The Freedom Back system includes a transmitter with antenna, wireless stereo receiver, carrying case, and rack mount kit with an extension cable for mounting the antenna on the front panel. Freedom Back is available in UA and UB bands making it possible to utilize numerous units on a stage at one time. Band A operates from 584 – 608 MHz and band B operates from 655 – 679 MHz. With 120 channels per band, the user will be able to select frequencies that will not be subject to local TV station interference even after the impending FCC changes!

Transmitter Features:

    * 120 digitally selectable UHF channels
    * Up to 10 transmitters may be used in the same space, depending on local UHF interference
    * Stereo or Mono switch on the rear of the transmitter
    * Back-lit LCD display of frequency, audio level, group and channel
    * XLR and 1/4 ” combo input connectors
    * Built-in automatic limiter
    * Stereo headphone or in-ear monitor jack with volume control
    * PAD switch attenuates signal by 12 dB
    * External whip antenna can be front mounted with included rack ears and extension cable

Receiver Features:

    * Wireless stereo belt pack allows freedom to move about the stage
    * Unlimited receivers may be used with one transmitter, when on the same frequency
    * Back-lit LCD displays frequency, group, channel, battery indicator, and Mono/Stereo
    * Stereo headphone or in-ear monitor jack with volume control
    * RF present LED
    * Batteries included



Hear Technologies

specifications
 
 
 
 
  Frequency Range and Transmitter Output Level
 
  Bands:
UA
 
  Frequency Range:
584 ~ 608 MHz
 
  Transmitter Output Level:
10 dBm
 
  Channels:
120 (10 groups of 12 channels)
 
   


 
  Operating Range:
330 ft (100 m) line of sight, under typical conditions
Note: Actual range depends on RF signal absorption, reflection, and interference.
 
  Frequency Response (+/- 3 dB):
40 Hz ~ 16 KHz
 
  Total Harmonic Distortion (+/- 30 KHz deviation, 1 KHz tone):
<1%
 
  Dynamic Range:
>90 dB A-weighted
 
  Operating Temperature Range:
-10°C to +50°C
Note: Battery characteristics may limit this range
 
  Transmitter    
 
   
 
  Max Audio Input Level:
+6 dBV, +18 dBV with -12dB PAD engaged
 
  Gain Adjustment Range:   60 dB
 
  Input Impedance:   10 K Ohms unbalanced, 20 K Ohms balanced
 
  Physical
 
  Dimensions:   1.5” H x 8.35” W x 3.78” D (38mm H x 212mm W x 96mm D)
 
  Weight:   1.34 lbs (0.6 kg)
 
  Power Requirements:   12-18 VDC at 300 mA, supplied by external power supply
 
  XLR Input:   Balanced
Pin 1 = Shield
Pin 2 = + Audio
Pin 3 = - Audio
 
  TRS Input:   Tip = + Audio
Ring = - Audio
Sleeve = Shield
 
  Wireless Stereo Receiver
 
   


 
  Audio Output Level:
100 mW
 
  Sensitivity:
-94 dB for 30 dB SINAD, typical
 
  Image Rejection:
>55 dB
 
  Physical
 
  Dimensions:   3.74” H x 2.56” W x 0.98” D (95mm H x 65mm W x 25mm D)
 
  Weight:   3.52 oz (100 g) without batteries
 
  Power Requirements:   2 “AA” size Alkaline or rechargeable batteries
 
  Battery Life:   Approximately 4 ~ 5 hours (alkaline), load and level dependent
 
0 dBu = 0.775 Vrm

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